125 lines
4.0 KiB
C++
125 lines
4.0 KiB
C++
//===-- SparcSubtarget.h - Define Subtarget for the SPARC -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the SPARC specific subclass of TargetSubtargetInfo.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_SPARC_SPARCSUBTARGET_H
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#define LLVM_LIB_TARGET_SPARC_SPARCSUBTARGET_H
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#include "SparcFrameLowering.h"
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#include "SparcISelLowering.h"
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#include "SparcInstrInfo.h"
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#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/Target/TargetFrameLowering.h"
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#include "llvm/Target/TargetSubtargetInfo.h"
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#include <string>
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#define GET_SUBTARGETINFO_HEADER
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#include "SparcGenSubtargetInfo.inc"
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namespace llvm {
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class StringRef;
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class SparcSubtarget : public SparcGenSubtargetInfo {
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Triple TargetTriple;
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virtual void anchor();
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bool UseSoftMulDiv;
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bool IsV9;
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bool IsLeon;
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bool V8DeprecatedInsts;
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bool IsVIS, IsVIS2, IsVIS3;
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bool Is64Bit;
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bool HasHardQuad;
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bool UsePopc;
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bool UseSoftFloat;
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bool HasNoFSMULD;
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bool HasNoFMULS;
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// LEON features
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bool HasUmacSmac;
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bool HasLeonCasa;
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bool InsertNOPLoad;
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bool FixAllFDIVSQRT;
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bool DetectRoundChange;
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bool PerformSDIVReplace;
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SparcInstrInfo InstrInfo;
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SparcTargetLowering TLInfo;
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SelectionDAGTargetInfo TSInfo;
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SparcFrameLowering FrameLowering;
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public:
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SparcSubtarget(const Triple &TT, const std::string &CPU,
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const std::string &FS, const TargetMachine &TM, bool is64bit);
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const SparcInstrInfo *getInstrInfo() const override { return &InstrInfo; }
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const TargetFrameLowering *getFrameLowering() const override {
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return &FrameLowering;
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}
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const SparcRegisterInfo *getRegisterInfo() const override {
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return &InstrInfo.getRegisterInfo();
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}
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const SparcTargetLowering *getTargetLowering() const override {
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return &TLInfo;
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}
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const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
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return &TSInfo;
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}
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bool enableMachineScheduler() const override;
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bool useSoftMulDiv() const { return UseSoftMulDiv; }
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bool isV9() const { return IsV9; }
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bool isLeon() const { return IsLeon; }
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bool isVIS() const { return IsVIS; }
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bool isVIS2() const { return IsVIS2; }
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bool isVIS3() const { return IsVIS3; }
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bool useDeprecatedV8Instructions() const { return V8DeprecatedInsts; }
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bool hasHardQuad() const { return HasHardQuad; }
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bool usePopc() const { return UsePopc; }
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bool useSoftFloat() const { return UseSoftFloat; }
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bool hasNoFSMULD() const { return HasNoFSMULD; }
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bool hasNoFMULS() const { return HasNoFMULS; }
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// Leon options
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bool hasUmacSmac() const { return HasUmacSmac; }
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bool performSDIVReplace() const { return PerformSDIVReplace; }
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bool hasLeonCasa() const { return HasLeonCasa; }
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bool insertNOPLoad() const { return InsertNOPLoad; }
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bool fixAllFDIVSQRT() const { return FixAllFDIVSQRT; }
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bool detectRoundChange() const { return DetectRoundChange; }
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/// ParseSubtargetFeatures - Parses features string setting specified
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/// subtarget options. Definition of function is auto generated by tblgen.
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void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
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SparcSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
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bool is64Bit() const { return Is64Bit; }
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/// The 64-bit ABI uses biased stack and frame pointers, so the stack frame
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/// of the current function is the area from [%sp+BIAS] to [%fp+BIAS].
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int64_t getStackPointerBias() const {
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return is64Bit() ? 2047 : 0;
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}
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/// Given a actual stack size as determined by FrameInfo, this function
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/// returns adjusted framesize which includes space for register window
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/// spills and arguments.
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int getAdjustedFrameSize(int stackSize) const;
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bool isTargetLinux() const { return TargetTriple.isOSLinux(); }
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};
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} // end namespace llvm
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#endif
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